diff options
| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2017-03-22 07:02:43 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2017-03-24 21:49:45 +0300 |
| commit | 6b8530cc056efd4a11b034ca5b1e9f7e9563f553 (patch) | |
| tree | bbf2a11c79dedbd2cddab3fe825fe18f3524df0c /sound/soc/sh | |
| parent | dc2721564f6da549f6eb29ac5bca28d65beadcb7 (diff) | |
| download | linux-6b8530cc056efd4a11b034ca5b1e9f7e9563f553.tar.xz | |
ASoC: rcar: ssi: don't set SSICR.CKDV = 000 with SSIWSR.CONT
R-Car Datasheet is indicating "SSICR.CKDV = 000 is invalid when
SSIWSR.WS_MODE = 1 or SSIWSR.CONT = 1".
Current driver will set CONT, thus, we shouldn't use CKDV = 000.
This patch fixup it.
Reported-by: Hiroyuki Yokoyama <hiroyuki.yokoyama.vx@renesas.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Hiroyuki Yokoyama <hiroyuki.yokoyama.vx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sh')
| -rw-r--r-- | sound/soc/sh/rcar/ssi.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c index 411bda2387ad..135c5669f796 100644 --- a/sound/soc/sh/rcar/ssi.c +++ b/sound/soc/sh/rcar/ssi.c @@ -228,6 +228,15 @@ static int rsnd_ssi_master_clk_start(struct rsnd_mod *mod, for (j = 0; j < ARRAY_SIZE(ssi_clk_mul_table); j++) { /* + * It will set SSIWSR.CONT here, but SSICR.CKDV = 000 + * with it is not allowed. (SSIWSR.WS_MODE with + * SSICR.CKDV = 000 is not allowed either). + * Skip it. See SSICR.CKDV + */ + if (j == 0) + continue; + + /* * this driver is assuming that * system word is 32bit x chan * see rsnd_ssi_init() |